"make a sound like a cat," early 14c., mewen, of imitative origin (cf. German miauen, French miauler, Italian miagolare, Spanish maullar, and see meow). Related: Mewed; mewing. As a noun from 1590s.
"seagull," Old English mæw, from Proto-Germanic *maigwis (cf. Old Saxon mew, Frisian meau, Middle Dutch and Middle Low German mewe, Dutch meeuw "gull"), imitative of its cry. Old French moue (Modern French mouette) and Lithuanian mevas are Germanic loan-words.
"cage," c.1300, from Old French mue "cage for hawks, especially when molting," from muer "to molt," from Latin mutare "to change" (see mutable).